package java4;

import java.util.Scanner;

public class Code033 {
	public static void main(String[] args){
		char name = '1';
		int psw = 123;
		Scanner input = new Scanner(System.in);
		char sname = input.next().charAt(0);
		int spsw = input.nextInt();
		if(name==sname&&psw==spsw){
			System.out.println("欢迎你，青");
		}
		else{
			System.out.println("对不起，你不是青");
		}
	}

}
